BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:bbd8758e-4df2-4667-8878-9bdcd2bd3452
DTSTAMP:20260420T184929Z
DTSTART;VALUE=DATE:20260525
SUMMARY:Whit Monday (Switzerland)
END:VEVENT
END:VCALENDAR